[exporterhelper] [chore] Use int64 for the port proto fields (#13235)

from @bogdandrutu: int64 uses varint encoding, so for small value same
size as int32, but does not need gosec converions

Author: dmitryax

pdata/xpdata/request/context.go

@@ -70,13 +70,13 @@ func encodeClientAddress(ctx context.Context, rc *internal.RequestContext) {
 	case *net.TCPAddr:
 		rc.ClientAddress = &internal.RequestContext_Tcp{Tcp: &internal.TCPAddr{
 			Ip:   a.IP,
-			Port: int32(a.Port), //nolint:gosec // G115
+			Port: int64(a.Port),
 			Zone: a.Zone,
 		}}
 	case *net.UDPAddr:
 		rc.ClientAddress = &internal.RequestContext_Udp{Udp: &internal.UDPAddr{
 			Ip:   a.IP,
-			Port: int32(a.Port), //nolint:gosec // G115
+			Port: int64(a.Port),
 			Zone: a.Zone,
 		}}
 	case *net.UnixAddr:

pdata/xpdata/request/internal/request.pb.go

@@ -28,13 +28,13 @@ message IPAddr {
 
 message TCPAddr {
   bytes ip = 1;
-  int32 port = 2;
+  int64 port = 2;
   string zone = 3;
 }
 
 message UDPAddr {
   bytes ip = 1;
-  int32 port = 2;
+  int64 port = 2;
   string zone = 3;
 }